[VE][html5] Load different css base on Browser FIREFOX issue

Error [html5]: 

Line 31, Column 7: Bogus comment. 

    <![if !IE]> <link href="css/base-notie.css" rel="stylesheet"/> <![endif]>

NOTE: Whenever possible, give the address of the document you were checking. 

<link href="css/base.css" rel="stylesheet" />

    <![if !IE]> <link href="css/base-notie.css" rel="stylesheet"/> <![endif]> This is to force FIREFOX to read the style sheet

<!--[if !IE]> <link href="css/base-notie.css" rel="stylesheet"/> <![endif]-->

<!--[if gte IE 8]> <link href="css/base-iegte8.css" rel="stylesheet"/> <![endif]-->

<!--[if IE 8]> <link href="css/base-ie8.css" rel="stylesheet"/> <![endif]-->

            <!--[if IE 7]> <link href="css/base-ie7.css" rel="stylesheet"/> <![endif]-->

            <!--[if lte IE 6]> <link href="css/base-ie6.css" rel="stylesheet"/> <![endif]-->

            <link href="css/util.css" rel="stylesheet" />